Special day
International Pi Day
Life is short, eat pi(e).
Today
When is International Pi Day?
Every year on March 14.
Worldwide
What is International Pi Day?
Pi Day is an annual celebration of the mathematical constant π (pi). It is observed on March 14 since 3, 1, and 4 are the first three significant digits of π. It's also Albert Einstein's birthday!
How to celebrate
Mark the day with a poster made in Dayfeed — pick your favourite photo as the background, share it to your story or group chat, and set a reminder so you never miss it next year.
Hashtags
- #PiDay
- #MathIsBeautiful
- #Pi314
- #HappyPiDay
Never miss a special day
Download Dayfeed and get a beautiful reminder for every day that matters — plus countdowns and shareable posters.
